Mechanical Seal Knowledge Center
Practical technical guides on mechanical seal selection, installation, materials, troubleshooting and pump replacement applications. Browse our latest articles to help identify seal problems, compare sealing solutions and select suitable replacement mechanical seals.
How to Identify the Correct Mechanical Seal for a Pump
Learn how to identify the correct mechanical seal by cross-checking pump data, old seal components, critical dimensions, reference numbers and operating conditions.
How to Select a Replacement Mechanical Seal for Lowara Pumps
Select a Lowara replacement mechanical seal from the pump identity, the removed seal, and the
Shaft Runout and Misalignment: How They Affect Mechanical Seal Life
Shaft runout and misalignment often hide behind a familiar maintenance story: the seal is replaced,
Cartridge Mechanical Seal Installation: Step-by-Step Guide and Common Mistakes
Cartridge seal installation looks simple because the seal arrives as a preassembled unit. That convenience
Pump Cavitation and Vibration: How They Cause Seal Failure
Pump cavitation and vibration can destroy a mechanical seal even when the seal has the
Double Mechanical Seal Arrangements: Tandem, Back-to-Back & Face-to-Face
Double mechanical seals use two sealing interfaces to create an additional controlled zone between the
API 682 Seal Flush Plans: Plan 11 vs Plan 21 vs Plan 23
API 682 seal flush plans help control the environment around mechanical seal faces. Plan 11,
Mechanical Seal Dry Running: Causes, Damage & Prevention
When a mechanical seal runs dry, the thin liquid film between its rotating and stationary
Mechanical Seal Elastomers: NBR vs EPDM vs FKM vs FFKM
Compare NBR, EPDM, FKM and FFKM for mechanical seal O-rings and elastomers by fluid compatibility, temperature resistance and application requirements.
